@keyframes scrollBackground {
    0% {
        background-position: 0 0; /* 初始位置 */
    }
    100% {
        background-position: 0px -512px; /* 滚动到图片的末尾 */
    }
}
.container {
    width: 1440px;
    margin: 0 auto;
}
.owl-carousel {
    background: #fff;
}
.owl-carousel .owl-stage-outer {
    height: 528px;
}
.owl-carousel .owl-item img {
    height: 500px;
}
.slides-arrow.dot-center .owl-dots {
    top: -50px !important;
}
.btn {
    display: inline-block;
    width: 128px;
    height: 40px;
    line-height: 38px;
    text-align: center;
    font-size: 14px;
    border: 1px solid #FF6666;
    border-radius: 2px;
    box-sizing: border-box;
    transition: all 0s;
    background: transparent;
    color: #FF6666;
}
.btn:hover {
    color: #FFF;
    background-color: #FF6666;
    border-color: #FF6666;
}
.primary-btn {
    background: #FF6666;
    color: #fff;
}
.primary-btn:hover {
    background-color: #FF4444;
    border-color: #FF4444;
    color: #fff;
}

.ld-banner .item {
    position: relative;
}
.ld-banner .item .content {
    position: absolute;
    top: 0;
    left: calc(50% - 720px);
    cursor: pointer;
}
.ld-banner .item .content .desc {
    position: absolute;
    top: 164px;
    left: 26px;
    width: 600px;
    height: 56px;
    line-height: 28px;
    font-size: 18px;
    color: #5E6D81;
}
.ld-banner .item .content .desc .title {
    margin-bottom: 30px;
    line-height: 58px;
    font-size: 48px;
    color: #2D3037;
}
.ld-banner .item .content a {
    display: inline-block;
    width: 144px;
    height: 44px;
    line-height: 44px;
    margin-top: 60px;
    font-size: 16px;
    text-align: center;
    color: #FFF;
    background-color: #FF6666;
    border-radius: 2px;
    outline: none;
    border: none;
    cursor: pointer;
}
.ld-banner .item .content a:hover {
    background-color: #FF4444;
}
.ld-banner .item .content .img-group {
    position: absolute;
    top: 150px;
    right: 30px;
    width: 640px;
    height: 376px;
}
.ld-banner .item .content .img-group img {
    position: absolute;
    top: 0;
    left: 0;
    width: 640px;
    height: 376px;
    transition: top 0.5s ease;
}
.ld-banner .item .content .ydn-img-group:hover .img-6 {
    top: -40px;
}
.ld-banner .item .content .ydn-img-group:hover .img-5,
.ld-banner .item .content .ydn-img-group:hover .img-7 {
    top: -20px;
}
.ld-banner .item .content .ddos-img-group {
    top: 142px;
}
.ld-banner .item .content .ddos-img-group:hover .img-5 {
    top: -40px;
}
.ld-banner .item .content .ddos-img-group:hover .img-4 {
    top: -20px;
}
.ld-banner .item .content .ai-img-group:hover .img-4 {
    top: -40px;
}
.ld-banner .item .content .ai-img-group:hover .img-3 {
    top: -20px;
}

.ld-product {
    padding-top: 30px;
}
.ld-product h3 {
    line-height: 42px;
    font-size: 32px;
    color: #2D3037;
    text-align: center;
}
.ld-product .desc {
    line-height: 26px;
    font-size: 16px;
    color: #5E6D81;
    text-align: center;
    margin-top: 13px;
}
.ld-product .ld-tab-nav {
    display: flex;
    justify-content: space-between;
    padding: 0;
}
.ld-product .ld-tab .ld-tab-nav li {
    width: 25%;
    cursor: pointer;
}
.ld-product .ld-tab .ld-tab-nav li:hover .lb-tab-img {
    background-position: 0px -512px;
}
.ld-product .ld-tab .ld-tab-nav .lb-tab-img {
    width: 64px;
    height: 64px;
    margin: 0 auto;
    background-size: 100%;
    background-position: 0px 0px;
}
.ld-product .ld-tab .ld-tab-nav .lb-tab-img-1 {
    background-image: url(../images/ld/index-ani-2.png);
}
.ld-product .ld-tab .ld-tab-nav .lb-tab-img-2 {
    background-image: url(../images/ld/index-ani-3.png);
}
.ld-product .ld-tab .ld-tab-nav .lb-tab-img-3 {
    background-image: url(../images/ld/index-ani-4.png);
}
.ld-product .ld-tab .ld-tab-nav .lb-tab-img-4 {
    background-image: url(../images/ld/index-ani-5.png);
}
.ld-product .ld-tab .ld-tab-nav .lb-tab-img-5 {
    background-image: url(../images/ld/index-ani-1.png);
}
.ld-product .ld-tab .ld-tab-nav li a {
    display: block;
    height: 143px;
    line-height: 60px;
    padding-top: 20px;
    margin: 0;
    font-size: 18px;
    color: #2D3037;
    text-align: center;
    border-radius: 0;
    border: none;
}
.ld-product .ld-tab .ld-tab-nav .active a {
    background: #fff;
    color: #FF6666;
    border-bottom: 2px solid #FF6666;
}
.ld-product .ld-tab .ld-tab-nav li a:hover {
    background: #fff;
    color: #FF6666;
}
.ld-product .ld-tab .ld-tab-nav .active a:hover {
    color: #FF6666;
}
.ld-product .ld-tab .tab-body {
    background: #F0F2F5;
    padding: 0;
    margin: 0;
}
.ld-product .ld-product-list {
    display: flex;
    padding: 40px 0;
}
.ld-product .ld-product-list .item {
    width: 25%;
    height: 190px;
    padding: 24px 10px 0px 10px;
    margin-right: 20px;
    margin-bottom: 20px;
    cursor: pointer;
}
.ld-product .ld-product-list .item:first-child {
    position: relative;
    background: linear-gradient(0deg, #FFFFFF, #FFFFFF);
    background-image: url(../images/ld/index-pro-cloud-bg.png);
    background-repeat: no-repeat;
    background-position: right center;
    padding: 23px 15px 23px 23px;
    border: 1px solid #FFF;
    transition: all 0.15s;
    box-shadow: 0px 4px 8px 0px rgba(30, 35, 45, 0.08);
}
.ld-product .ld-product-list .item:first-child:hover {
    background: linear-gradient(0deg, #FFFFFF, #F0F2F5);
    background-image: url(../images/ld/index-pro-cloud-bg.png);
    background-repeat: no-repeat;
    background-position: right center;
    margin-top: -8px;
    box-shadow: 0px 8px 8px 0px rgba(30, 35, 45, 0.08);
}
.ld-product .ld-product-list .item .title {
    display: flex;
}
.ld-product .ld-product-list .item h2 {
    height: 24px;
    line-height: 24px;
    font-size: 18px;
    color: #2D3037;
    white-space: nowrap;
}
.ld-product .ld-product-list .item:hover h2 {
    color: #FF6666;
}
.ld-product .ld-product-list .item .minprice {
    position: relative;
    display: inline-block;
    height: 24px;
    line-height: 22px;
    font-size: 12px;
    color: #FF6666;
    padding: 0px 8px;
    border: 1px solid #FF6666;
    border-left: none;
    vertical-align: top;
    margin-left: 16px;
}
.ld-product .ld-product-list .item .minprice::before {
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: -7px;
    width: 8px;
    height: 24px;
    background: url(../images/ld/arrow-half-icon.png) no-repeat center;
}
.ld-product .ld-product-list .item .desc {
    line-height: 24px;
    font-size: 14px;
    color: #5E6D81;
    margin-top: 12px;
    text-align: left;
}
.ld-product .ld-product-list .tag-list {
    margin-top: 15px;
}
.ld-product .ld-product-list .tag-list .tag-item {
    height: 22px;
    line-height: 20px;
    color: #9EA7B3;
    padding: 0px 7px;
    border: 1px solid #BDC5D3;
    border-radius: 2px;
    margin-right: 4px;
    font-size: 12px;
}
.ld-product .ld-product-list .btn-text {
    display: inline-block;
    vertical-align: top;
    height: 24px;
    line-height: 24px;
    font-size: 14px;
    color: #9EA7B3;
    margin-top: 22px;
}
.ld-product .ld-product-list .btn-text:hover {
    color: #FF6666;
}
.ld-product .ld-product-list .btn-text {
    position: relative;
    left: 0;
    transition: left 0.5s ease;
}
.ld-product .ld-product-list .btn-text:hover i {
    left: 10px;
}
.ld-solution {
    background: #13182C;
    padding: 70px 0 30px;
}
.ld-solution .title h3 {
    margin-bottom: 30px;
    line-height: 42px;
    font-size: 32px;
    color: #fff;
    text-align: center;
}
.ld-solution .ld-solution-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    /*margin-left: -10px;*/
}
.ld-solution .ld-solution-list .ld-solution-item {
    width: 25%;
    padding-left: 10px;
    margin-bottom: 20px;
    cursor: pointer;
}
.ld-solution .ld-solution-list .ld-solution-item:first-child {
    width: 50%;
}
.ld-solution .ld-solution-list .ld-solution-content {
    height: 200px;
    background: url(../images/ld/quanzhan-bg.png) no-repeat right center;
    padding: 27px 12px 0px 24px;
    transition: all 0.15s;
    overflow: hidden;
}
.ld-solution .ld-solution-list .ld-solution-content:hover {
    margin-top: -8px;
    background: url(../images/ld/quanzhan-bg-hover.png) no-repeat right center;
}
.ld-solution .ld-solution-list .ld-solution-content h3 {
    position: relative;
    line-height: 30px;
    font-size: 20px;
}
.ld-solution .ld-solution-list .ld-solution-content h3::after {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 0px;
    width: 40px;
    height: 2px;
    background-color: #FF6666;
}
.ld-solution .ld-solution-list .ld-solution-content:hover h3::after {
    background: transparent;
}
.ld-solution .ld-solution-list .ld-solution-content .desc {
    max-width: 420px;
    line-height: 24px;
    font-size: 14px;
    color: #5E6D81;
    margin-top: 38px;
    padding-right: 12px;
    transition: all 0.15s;
}
.ld-solution .ld-solution-list .ld-solution-content:hover .desc {
    margin-top: 12px;
}
.ld-solution .ld-solution-list .ld-solution-content .group-btn {
    display: none;
    margin-top: 20px;
}
.ld-solution .ld-solution-list .ld-solution-content:hover .group-btn {
    display: block;
}
.ld-node-map {
    background: linear-gradient(0deg, #FFFFFF, #F0F2F5);
    padding: 75px 20px 50px;
}
.ld-node-map .title h3 {
    margin-bottom: 20px;
    line-height: 42px;
    font-size: 32px;
    color: #2D3037;
    text-align: center;
}
.ld-node-map .title .desc {
    line-height: 28px;
    font-size: 18px;
    color: #5E6D81;
}
.ld-node-map .mapbox {
    position: relative;
    width: 1062px;
    height: 520px;
    /*background: url(../images/ld/index-map-bg.png) no-repeat center;*/
    margin: 50px auto 0px;
}